Hotel Service Study Material (PDF) STUDY MATERIAL 1 Code of Safe working practices Safety Alarms 2 Logs Records Planned maintenance 3 Bunkering Oil Tanks 4 MARPOL oil water separators 5 Sewage 6 Refrigeration Air con 7 Reverse Osmosis 8 Stabilizers 9 Fire 10 Definitions 11 Other subjects AME MDE AUX